- 专利标题: Methods for the manufacture of photoabsorbing contact lenses and photoabsorbing contact lenses produced thereby
-
申请号: US18320366申请日: 2023-05-19
-
公开(公告)号: US12128641B2公开(公告)日: 2024-10-29
- 发明人: Brian Aitken , Jeffrey D. Caltrider , Leilani K. Sonoda , Robert MacDonald Smith , Donnie J. Duis
- 申请人: Johnson & Johnson Vision Care, Inc.
- 申请人地址: US FL Jacksonville
- 专利权人: Johnson & Johnson Vision Care, Inc.
- 当前专利权人: Johnson & Johnson Vision Care, Inc.
- 当前专利权人地址: US FL Jacksonville
- 代理商 Raef M. Shaltout
- 主分类号: B29D11/00
- IPC分类号: B29D11/00 ; G02C7/02 ; G02C7/04 ; G02C7/10 ; H05B45/12 ; B29K33/00 ; B29K83/00 ; B29K105/00
摘要:
Provided is a method for manufacturing photoabsorbing contact lenses and photoabsorbing contact lenses produced thereby. The method comprises: (a) providing a mold assembly comprised of a base curve and a front curve, the base curve and the front curve defining and enclosing a cavity therebetween, the cavity containing a reactive mixture, wherein the reactive mixture comprises at least one polymerizable monomer, a photoinitiator which absorbs at an activating wavelength, and a photoabsorbing compound which displays absorption at the activating wavelength; and (b) curing the reactive mixture to form the photoabsorbing contact lens by exposing the reactive mixture to radiation that includes the activating wavelength, wherein the radiation is directed at both the base curve and the front curve of the mold assembly, and wherein the radiation's radiant energy at the base curve is greater than the radiation's radiant energy at the front curve.
公开/授权文献
信息查询